The Standard Lens 85 mm can be replaced by the 63 mm Lens Kit if a larger image is desired at a short distance. The gobo has an outer diameter of 50 mm and an image size of 40 mm. The 63 mm Lens Kit is compatible with all indoor and outdoor versions of PHOS 25, PHOS 45, PHOS 65 and PHOS 85. Not suitable for PHOS mini, PHOS 20. Included parts: Wide-angle lens 63 mm, 2 mm spacer which must be inserted in the projector.